<!DOCTYPE html>
<style>
  @font-face {
    font-family: 'Monaspace';
    src: 
      url('./MonaspaceKrypton-SyntaxHighlighter-Regular.woff2') 
      format('woff2');
}
textarea {
  font-family: "Monaspace", monospace;
  font-variant-ligatures: contextual common-ligatures;
  font-variant-alternates: styleset(ss04);
  xfont-feature-settings: "colr", "calt";
  font-feature-settings: "colr";
  background-color: #BBA;
  width: 30em;
  height: 6em;
}
</style>
<textarea>
    <div class="spoilers">
        <strong>Yes, it's possible!</strong>
        <small>...to some extent =)</small>
    </div>
</textarea>